C02F 11/127
By centrifugation
Official title: by centrifugation
C02F11/127 (By centrifugation) appears on 175 US grants and 239 published applications in this corpus.
Search patents in C02F- Granted patents
- 175
- Published applications
- 239
- Assignees
- 191
- Inventors
- 610
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 1 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 2 |
| 2007 | 0 | 3 |
| 2008 | 2 | 0 |
| 2009 | 0 | 2 |
| 2010 | 1 | 3 |
| 2011 | 1 | 3 |
| 2012 | 2 | 5 |
| 2013 | 2 | 12 |
| 2014 | 2 | 8 |
| 2015 | 5 | 12 |
| 2016 | 6 | 12 |
| 2017 | 16 | 14 |
| 2018 | 4 | 17 |
| 2019 | 7 | 14 |
| 2020 | 18 | 16 |
| 2021 | 16 | 22 |
| 2022 | 18 | 24 |
| 2023 | 11 | 17 |
| 2024 | 15 | 22 |
| 2025 | 16 | 20 |
| 2026 | 8 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- System and method of using nanobubbles in a dewatering process for a liquid-solid stream8 Sep 2026US 12,729,146 B2Moleaer, Inc.
- Dewatering method and system18 Aug 2026US 12,709,562 B2Weir Minerals Australia Ltd.
- Method and system for pre-treating high strength wastewater7 Jul 2026US 12,673,887 B2
- Systems and methods for biological transformation, concentration, and recovery of selenium from wastewater14 Apr 2026US 12,600,654 B2Arizona Board of Regents on behalf of Arizona State University
- Process for the removal of heavy metals from a phosphoric acid containing composition using an ionic polymeric surfactant and use of said surfactant in the precipitation of heavy metals in a phosphoric acid containing composition10 Feb 2026US 12,545,584 B2Yara International Asa
- Filtration aid compositions and methods of use30 Jul 2026US 2026/0217582 A1Locus Solutions Ipco, LLC
- System and method of using nanobubbles in a dewatering process for a liquid-solid stream28 May 2026US 2026/0145977 A1Moleaer, Inc.
- System and method for septage treatment with real-time optimization and predictive maintenance9 Apr 2026US 2026/0097971 A1Water, Sanitation and Hygiene Institute (WASH Institute)
- System and process for reducing pfas and microplastics in biosolids using hydrodynamic cavitation and foam fractionation12 Mar 2026US 2026/0070854 A1Merrell Bros., Inc.
- Ai controlled decanter26 Feb 2026US 2026/0054273 A1GEA Westfalia Separator Group GmbH
Most cited
By later US patents
- Continuous process for the reclamation of waste drilling fluids141US 4,482,459 ANewpark Waste Treatment Systems Inc. · 1984
- Rotary annular crossflow filter, degasser, and sludge thickener47US 7,757,866 B2McCutchen Co. · 2010
- Apparatus for separating solids from a liquid42US 7,074,339 B1Settled Solids Management, Inc · 2006
- Sludge treatment system41US 5,428,906 APCL Environmental Inc. · 1995
- Apparatus and system for treating waste water and sludge39US 4,880,533 A1989